Distribution type tactile sensor
Patent 5010774 Issued on April 30, 1991. Estimated Expiration Date: 
June 3, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 3, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesData entry system Occlusion pressure sensor Tactile sensor Tactile sensor Patent #: 4640137 InventorsAssigneeApplicationNo. 381710 filed on 06/03/1989US Classes:73/862.046, Transducer array (e.g., columns and rows)73/172, ORTHOPEDIC PRESSURE DISTRIBUTION73/865.7, TOUCH OR TASTE338/114, Deformable901/46SENSING DEVICEExaminersPrimary: Ruehl, Charles A.Attorney, Agent or FirmForeign Patent References
International ClassesG01L 005/00G01L 001/20 H01C 010/10 B25J 019/02 Foreign Application Priority Data1987-11-05 JPAbstractA distribution type tactile sensor, which comprises a plurality of electrodes provided in pairs at respective pressure sensing points on a pressure sensitive conductive rubber sheet capable of changing the electrical resistance responsive to compressive forces, and a rectifier element provided to respective electrodes for rectifying the current flowing across each pair of electrodes through the rubber sheet, the electrodes being divided into groups each comprising electrodes arranged in a line for respective polarities of the electrodes, electrodes in respective electrode groups being parallel connected to one another through electrode leads, and directions of the division of electrode groups divided for respective polarities being crossed with one another at respective pressure sensing points. | |
